Light guide panel

Abstract

The invention relates to a light guide panel capable of distributing light beams incident from a light source to an entire surface thereof. The light guide panel has at least two through holes formed in a path of the incident light beams, apart in a predetermined interval from a light incident surface. The through holes are formed perpendicular to the path of the incident light beams, and lined along the light incident surface of the light guide panel. The light guide panel according to the present invention can improve uniformity of incident light without increasing the number or size of the light source, thereby distributing the incident light in a wider angle and decreasing a light mixing region. The light guide panel is produced in a simple manufacturing process, reducing the manufacturing costs.

1. A light guide panel with light beams incident through a side thereof, comprising:
 a plurality of through holes formed in a path of the incident light beams perforating the light guide panel from a top surface to a bottom surface thereof, spaced apart from a light incident surface in the side of the light guide panel by a predetermined interval, 
 wherein the light beams are incident to the light guide panel through the light incident surface from a number of light sources, facing the light incident surface and the plurality of through holes spaced apart from the light incident surface by a predetermined distance, the through holes being arranged to form through-hole groups, each of which is adjacent each of the light sources, respectively, 
 wherein centers of the through holes in each of the through-hole groups are arranged on a single straight line, 
 wherein each of the through holes refracts the light beams incident into the light guide panel to be spread to various portions of the light guide panel as they pass through the through holes. 
 
     
     
       2. The light guide panel according to  claim 1 , wherein each of the through-hole groups including the through holes is lined in a length of 0.3 to 10.0 mm. 
     
     
       3. The light guide panel according to  claim 1 , wherein the through hole is formed apart from the light incident surface of the light guide panel in an interval of 0.1 to 3.0 mm. 
     
     
       4. The light guide panel of  claim 1 , where the single straight line is perpendicular to the path of the incident light beams.